21000751895

素因数分解:

$5^1\times {\mathrm{353}}^1\times {\mathrm{2917}}^1\times {\mathrm{4079}}^1$

素因数の和:7354

約数の個数: 16

約数和(自身を含む): 25287154560

約数和(自身を除く): 4286402665

約数列:

[1, 5, 353, 1765, 2917, 4079, 14585, 20395, 1029701, 1439887, 5148505, 7199435, 11898443, 59492215, 4200150379, 21000751895]

約数ペア:

[(1, 21000751895), (5, 4200150379), (353, 59492215), (1765, 11898443), (2917, 7199435), (4079, 5148505), (14585, 1439887), (20395, 1029701)]